Commit 7b1c0d26 authored by David Daney's avatar David Daney Committed by Ralf Baechle

MIPS: Properly align the .data..init_task section.

Improper alignment can lead to unbootable systems and/or random
crashes.

[ralf@linux-mips.org: This is a lond standing bug since
6eb10bc9 (kernel.org) rsp.
c422a10917f75fd19fa7fe070aaaa23e384dae6f (lmo) [MIPS: Clean up linker script
using new linker script macros.] so dates back to 2.6.32.]
Signed-off-by: 's avatarDavid Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/3881/Signed-off-by: 's avatarRalf Baechle <ralf@linux-mips.org>
parent c5de50da
......@@ -60,6 +60,8 @@ struct thread_info {
register struct thread_info *__current_thread_info __asm__("$28");
#define current_thread_info() __current_thread_info
#endif /* !__ASSEMBLY__ */
/* thread information allocation */
#if defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_32BIT)
#define THREAD_SIZE_ORDER (1)
......@@ -85,8 +87,6 @@ register struct thread_info *__current_thread_info __asm__("$28");
#define STACK_WARN (THREAD_SIZE / 8)
#endif /* !__ASSEMBLY__ */
#define PREEMPT_ACTIVE 0x10000000
/*
......
#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/thread_info.h>
#include <asm-generic/vmlinux.lds.h>
#undef mips
......@@ -72,7 +73,7 @@ SECTIONS
.data : { /* Data */
. = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
INIT_TASK_DATA(PAGE_SIZE)
INIT_TASK_DATA(THREAD_SIZE)
NOSAVE_DATA
CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
......
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